Sergeant and Feenstra Kuiper have death on 8-09-1888. Gaige has death on 7-10-1888. Reichhelm has death on 17-10-1888. Landsberger, in The Steinitz Papers, gives his name incorrectly as 'Sellman, Alexander D.' on p.306, but correctly as 'A.G. Sellman' on p.38 (quoting the Chess Monthly).